On Tue, Feb 09, 2021 at 02:01:37PM +0100, Greg Kroah-Hartman wrote: > On Tue, Feb 09, 2021 at 01:52:52PM +0100, Pavel Machek wrote: > > Hi! > > > > > From: Arnd Bergmann <arnd@xxxxxxxx> > > > > > > commit 6e7b64b9dd6d96537d816ea07ec26b7dedd397b9 upstream. > > > > > > kernel/elfcore.c only contains weak symbols, which triggers a bug with > > > clang in combination with recordmcount: > > > > > > Cannot find symbol for section 2: .text. > > > kernel/elfcore.o: failed > > > > > > Move the empty stubs into linux/elfcore.h as inline functions. As only > > > two architectures use these, just use the architecture specific Kconfig > > > symbols to key off the declaration. > > > > 4.4 has this: > > > > config BINFMT_ELF32 > > bool > > default y if MIPS32_O32 || MIPS32_N32 > > select ELFCORE > > > > in arch/mips. So I believe we'll see problems in that > > configuration...? > > Hm, did I miss a patch to backport? This is needed to keep 4.4 building > with newer versions of gcc. Well, close to building, I'm still haveing > local issues with 10.2.0 and the 4.4.y tree right now... Not a gcc issue, looks like a binutils issue on my side... And the builders seem to have worked ok. thanks, greg k-h